18411760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12113}}^1$

素因数の和:12145

約数の個数: 40

約数和(自身を含む): 45064080

約数和(自身を除く): 26652320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12113, 24226, 48452, 60565, 96904, 121130, 193808, 230147, 242260, 460294, 484520, 920588, 969040, 1150735, 1841176, 2301470, 3682352, 4602940, 9205880, 18411760]

約数ペア:

[(1, 18411760), (2, 9205880), (4, 4602940), (5, 3682352), (8, 2301470), (10, 1841176), (16, 1150735), (19, 969040), (20, 920588), (38, 484520), (40, 460294), (76, 242260), (80, 230147), (95, 193808), (152, 121130), (190, 96904), (304, 60565), (380, 48452), (760, 24226), (1520, 12113)]